Perform the indicated matrix operations.Let A = 
and B = 
. Find 3A + 2B.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Identify whether the equation, when graphed, will be a parabola, circle, ellipse, or hyperbola.(x - 5)2 + (y + 5)2 = 9
A. parabola B. circle C. ellipse D. hyperbola
Mathematics
Translate the word phrase into an algebraic expression.9 hours past time x
A. 9 + x B. 9 - x C. 9x D. 9
Mathematics
Find a and k and then evaluate the function. Round your answer to three decimal places when necessary.f(x) = 15 + a(3kx) with f(0) = 17 and f(6) = 33. Find f(3).
A. a = 2, k = 
, f(3) = 21
B. a = -2, k = - 
, f(3) = 21
C. a = 2, k = - 
, f(3) = 17
D. a = -2, k = 3, f(3) = 21
Mathematics
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.5x + 5y - 3z = -1720x + 21y - 11z = -610x + 11y - 5z = 15
A. 
B. 
C. 
D. No solution
Mathematics